CN214809050U - Lock catch type mounting structure of primary filter composite filter element - Google Patents

Lock catch type mounting structure of primary filter composite filter element Download PDF

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Publication number
CN214809050U
CN214809050U CN202121279862.4U CN202121279862U CN214809050U CN 214809050 U CN214809050 U CN 214809050U CN 202121279862 U CN202121279862 U CN 202121279862U CN 214809050 U CN214809050 U CN 214809050U
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check valve
filter element
cross
pipe
output pipe
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CN202121279862.4U
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Chinese (zh)
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胡兴亿
韩小娟
黄剑升
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Foshan Shunde Yingfengtai Environmental Protection Technology Co ltd
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Foshan Shunde Yingfengtai Environmental Protection Technology Co ltd
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Abstract

The utility model discloses a lock catch type mounting structure of a primary filter composite filter element, which comprises an end cover component, a shell and a valve element component which are sequentially sleeved from outside to inside; the shell is sleeved outside the valve core assembly from top to bottom; the end cover assembly is sleeved at the top of the shell, and a guide groove and a fixing buckle are arranged in the end cover assembly; the upper end of the shell is provided with a middle pipe extending upwards; the outer wall of the middle pipe is provided with a guide block extending to the periphery; a gap is formed between the fixing buckle and the inner side edge of the guide groove; the guide block with fixed knot with the guide way is the rotatory hasp structure of structure matching, has the difficult dislocation of assembly, and inside no water leakage and infiltration assemble work efficiency height advantage.

Description

Lock catch type mounting structure of primary filter composite filter element
Technical Field
The utility model relates to a water purification unit technical field especially relates to a just strain composite filter's hasp formula mounting structure.
Background
The mounting structure of the primary filter composite filter element of the water purifier in the prior art is complex, the cover body and the filter element respectively comprise a plurality of annular conveying pipelines, an input port, an output port and a built-in valve which are arranged in the annular conveying pipelines are easy to misplace during manual assembly, the water leakage phenomenon is easily caused in the interior of the filter element, and the maintenance and the assembly are easy to make mistakes, so that the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a just strain composite filter's hasp formula mounting structure, have the hasp formula structure of mutual matching, be difficult for the dislocation, the installation is convenient.
To achieve the purpose, the utility model adopts the following technical proposal:
a lock catch type mounting structure of a primary filter composite filter element comprises an end cover assembly, a shell and a valve element assembly which are sequentially sleeved from outside to inside;
the shell is sleeved outside the valve core assembly from top to bottom;
the end cover assembly is sleeved at the top of the shell, and a guide groove and a fixing buckle are arranged in the end cover assembly;
the upper end of the shell is provided with a middle pipe extending upwards;
the middle pipe is arranged in a hollow mode, and guide blocks extending to the periphery are arranged on the outer wall of the middle pipe;
the upper end part of the shell rotatably extends into the end cover assembly from bottom to top, and a sealing ring sleeved on the outer wall of the middle pipe abuts against the inner side surface of the inner wall of the end cover assembly;
the guide groove rotatably extends to the inner upper side face of the side wall of the end cover assembly from bottom to top along the inner side face of the side wall, a plurality of fixing buckles arranged at intervals are arranged close to the inner side edge of the guide groove, and a gap is formed between each fixing buckle and the inner side edge of the guide groove;
the guide block, the fixing buckle and the guide groove are of rotary locking structures matched in structure.
Specifically, the valve core assembly comprises a valve core upper cover assembly;
the middle part of the upper cover component of the valve core is provided with an upper filtering water output pipe which protrudes upwards; the upper end pipe orifice of the valve core upper cover component is arranged in a hollow way, and the outer side of the edge of the upper end pipe orifice is propped against the inner side of the edge of the pipe orifice of the input end of the upper filtering water output pipe;
the lower end of the upper filtering water output pipe is communicated with the filtering end of the lock catch type mounting structure of the primary filtering composite filter element.
Furthermore, the valve core assembly also comprises a first filter element and a second filter element, and the first filter element is sleeved and coated outside the second filter element;
the upper end of the end cover component is adjacently provided with a tap water input port and a filtered water filter outlet;
the tap water input port is communicated with the filtration starting end of the first filter element; the filtering end of the first filter element is communicated with the filtering starting end of the second filter element;
the inside of the end cover component is also provided with a lower-arranged filtered water output pipe;
the filtered water outlet is positioned at the output end of the lower filtered water output pipe; the input end of the lower filtering water output pipe extends inwards to the middle part of the end cover component;
the filtering water outlet is communicated with the filtering end of the second filter element through the lower filtering water output pipe.
In some embodiments, the end cap assembly further comprises a cross check valve;
the cross-shaped check valve is provided with a lower end straight rod and an upper end straight rod, and the middle part of the cross-shaped check valve extends outwards; the cross-shaped check valve is cross-shaped along the axial cross section of the filtered water output pipe; the straight rod at the upper end of the cross-shaped check valve is inserted into the input end of the lower filtered water output pipe; a gap is reserved between the outer side surface of the upper straight rod and the inner wall of the lower filtered water output pipe;
a mounting seat is arranged in the upper filtering water output pipe, and a middle through hole is formed in the middle of the mounting seat;
and a straight rod at the lower end of the cross-shaped check valve is inserted into the middle through hole.
Preferably, the outer wall of the middle through hole is sleeved with a spring;
the lower end of the spring abuts against the upper side face of the mounting seat, which is positioned below the middle through hole, and the upper end of the spring abuts against the lower side face of the middle protruding part of the cross-shaped check valve;
work as the water pressure of the top of cross check valve is greater than the spring support in during the elasticity that makes progress of cross check valve, the cross check valve slides downwards, the downside at the evagination position at the middle part of cross check valve support in the upper end mouth of pipe of well through-hole closes the overhead drainage water output tube of first.
In other embodiments, the valve core upper cover assembly is further provided with a water inlet guide ring and a water inlet check valve;
the water inlet guide ring is sleeved on the periphery of the filtered water output pipe;
the water inlet check valve is arranged between the outer wall of the filtered water output pipe and the inner wall of the water inlet guide ring;
the upper end of the water inlet check valve is communicated with the tap water inlet, and the lower end of the water inlet check valve is communicated with the filter starting end of the outer side surface of the first filter element;
and valve cores of the water inlet check valve and the cross-shaped check valve are elastic silica gel bodies.
Preferably, the outer side surface of the water inlet guide ring is abutted against the inner side surface of the shell.
The technical scheme of the utility model beneficial effect does: just strain composite filter's hasp formula mounting structure, the inside of end cover subassembly be equipped with the rotatory hasp structure that the guide block structure matches can make the assembly of end cover subassembly and shell tighter through the rotatory hasp structure of adaptation, can avoid locating the input output mouth of pipe in the end cover subassembly and be located the assembly dislocation appears in the installation of the input output mouth of pipe of the upper end of shell, thereby avoid just strain composite filter's hasp formula mounting structure's inside and appear leaking or seepage phenomenon, can improve assembly efficiency and assembly quality to compact structure leakproofness is good.
The utility model provides a prior art just strain composite filter's hasp formula mounting structure, easy dislocation during the assembly causes inside phenomenon of leaking to appear easily, leads to the technical problem that work efficiency is low.
Drawings
Fig. 1 is a schematic view of an assembly structure of a lock catch type installation structure of a primary filter composite filter element according to an embodiment of the present invention;
FIG. 2 is a schematic view of the locking type installation structure of the primary filter composite filter element shown in FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a bottom view of the end cap assembly of FIG. 1;
FIG. 5 is a schematic diagram of the upper cover assembly of the valve cartridge of FIG. 2;
wherein: an end cap assembly 1; a housing 2; a valve core component 3; a tap water inlet 11; a filtered water outlet 12; a cross-shaped check valve 13; a guide groove 14; a fixing buckle 15; a lower filtered water output pipe 16; a guide block 21; a spool upper cover assembly 31; a first filter element 33; a second filter element 34; a filtered water output pipe 311; a mount 312; a water inlet guide ring 313 and a water inlet check valve 314.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solution of the present invention will be further described with reference to the drawings of fig. 1-9 and the detailed description.
A lock catch type mounting structure of a primary filter composite filter element comprises an end cover assembly 1, a shell 2 and a valve element assembly 3 which are sequentially sleeved from outside to inside;
the shell 2 is sleeved outside the valve core assembly 3 from top to bottom;
the end cover assembly 1 is sleeved at the top of the shell 2, and a guide groove 14 and a fixing buckle 15 are arranged in the end cover assembly 1;
the upper end of the shell 2 is provided with a middle pipe extending upwards;
the middle pipe is arranged in a hollow mode, and guide blocks 21 extending to the periphery are arranged on the outer wall of the middle pipe;
the upper end part of the shell 2 rotates from bottom to top to extend into the end cover assembly 1, and a sealing ring sleeved on the outer wall of the middle pipe abuts against the inner side surface of the inner wall of the end cover assembly;
the guide groove 14 rotates and extends to the inner upper side surface of the side wall of the end cover assembly 1 from bottom to top along the inner side surface of the side wall, a plurality of fixing buckles 15 which are arranged at intervals are arranged close to the inner side edge of the guide groove 14, and a gap is formed between each fixing buckle 15 and the inner side edge of the guide groove 14;
the guide block 21, the fixing buckle 15 and the guide groove 14 are of a rotary locking structure with matched structures.
As shown in fig. 3 to 4, the guide block 21 structurally matched with the guide groove 14 and the fixing buckle 15 which rise by rotation can be more conveniently installed, the positioning is accurate, the installation efficiency is high, and the phenomena of assembly dislocation and internal water leakage can be more effectively avoided.
As shown in fig. 1-4, prefilter composite filter's hasp formula mounting structure, end cover subassembly 1's inside be equipped with the rotatory hasp structure that guide block 21 structure matches can make the assembly of end cover subassembly 1 and shell 2 tighter through the rotatory hasp structure of adaptation, can avoid locating the input output mouth of pipe in end cover subassembly 1 and be located assembly dislocation appears in the installation of the input output mouth of pipe of the upper end of shell 2, thereby avoids leakage or seepage phenomenon appear in prefilter composite filter's hasp formula mounting structure's inside, can improve assembly efficiency and assembly quality to compact structure leakproofness is good.
Specifically, the valve core assembly 3 includes a valve core upper cover assembly 31;
the middle part of the valve core upper cover component 31 is provided with an upper filtering water output pipe 311 which protrudes upwards; the upper end pipe orifice of the valve core upper cover component 31 is arranged in a hollow way, and the outer side of the edge of the upper end pipe orifice is propped against the inner side of the edge of the input end pipe orifice of the upper filtered water output pipe 311;
the lower end of the upper filtering water output pipe 311 is communicated with the filtering end of the lock catch type mounting structure of the primary filtering composite filter element.
As shown in fig. 3-the inner side of the edge of the upper end pipe orifice of the filtered water output pipe 311 is abutted against the outer side of the edge of the input end pipe orifice of the underlying filtered water output pipe 16, so that the dislocation is not easy to occur, and the sealing performance is good.
Further, the valve core assembly 3 further comprises a first filter element 33 and a second filter element 34, and the first filter element 33 is sleeved and coated outside the second filter element 34;
the upper end of the end cover component 1 is adjacently provided with a tap water input port 11 and a filtered water outlet port 12;
the tap water inlet 11 is communicated with the filtration starting end of the first filter element 33; the filtration end of the first filter element 33 is communicated with the filtration starting end of the second filter element 34;
the end cover component 1 is also internally provided with a lower filtered water output pipe 16;
the filtered water outlet 12 is positioned at the output end of the lower filtered water output pipe 16; the input end of the lower filtered water output pipe 16 extends inwards to the middle part of the end cover component 1;
the filtered water outlet 12 is connected to the filtered end of the second filter element 34 via the lower filtered water outlet pipe 16.
The first filter element 33 of the utility model can be a PP cotton filter element or a ceramic filter element; the second filter element can be an activated carbon filter element, and can also be an activated carbon and ceramic combined filter element.
As shown in fig. 1-3, the lock catch type mounting structure of the primary filter composite filter element of the present invention comprises an end cover assembly 1, a housing 2 and a valve core assembly 3 which are sequentially sleeved from outside to inside; the water filter is provided with a tap water input port 11 and a filtered water filter outlet 12, tap water is introduced into the lock catch type mounting structure of the primary filter composite filter element through the tap water input port 11, and filtered water is output through the filtered water filter outlet 12 and is filtered through secondary filtration.
In some embodiments, the end cap assembly 1 further comprises a cross check valve 13;
the cross-shaped check valve 13 is provided with a lower end straight rod and an upper end straight rod, and the middle part of the cross-shaped check valve 13 extends outwards; the cross-shaped check valve 13 is cross-shaped along the axial cross section of the filtered water output pipe; the straight rod at the upper end of the cross-shaped check valve 13 is inserted into the input end of the lower filtered water output pipe 16; a gap is reserved between the outer side surface of the upper straight rod and the inner wall of the lower filtered water output pipe 16;
a mounting seat 312 is arranged in the upper filtered water output pipe 311, and a middle through hole is arranged in the middle of the mounting seat 312;
and a straight rod at the lower end of the cross-shaped check valve 13 is inserted into the middle through hole.
As shown in fig. 3-4, a gap is left between the outer side surface of the straight rod at the upper end of the cross-shaped check valve 13 and the inner wall of the lower filtered water output pipe 16, and the cross-shaped check valve 13 and the lower filtered water output pipe 16 are always in a conducting state, so that the filtered water output at the filtering end of the first filter element is kept smooth.
Further, a spring is sleeved on the outer wall of the middle through hole;
the lower end of the spring abuts against the upper side surface of the mounting seat 312, which is positioned below the middle through hole, and the upper end of the spring abuts against the lower side surface of the middle protruding part of the cross-shaped check valve 13;
work as the water pressure of the top of cross check valve 13 is greater than the spring support in during the elasticity that makes progress of cross check valve 13, cross check valve 13 slides downwards, the downside at the evagination position at the middle part of cross check valve 13 support in the upper end mouth of pipe of well through-hole closes first overhead filtration water output tube 311.
As shown in fig. 3-4, when the filtered water which does not flow in the reverse direction flows in from the lower filtered water output pipe 16 and presses the spring to contract downwards, the cross check valve 13 is under the upward elastic force of the spring, the lower filtered water output pipe 16 and the filtered water output pipe 311 are in a conducting state, and the filtered water filtered by the lock catch type mounting structure of the primary filter composite filter element is output outwards; when water inlet valve of drainage is closed to drainage use unit or subordinate's filter core, the water pressure of cross check valve 13 top increases gradually to being greater than the water pressure of cross check valve 13 below, receives the spring of water pressure oppression to shrink downwards, drives cross check valve 13 and follows the downward gliding, the downside at the evagination position at the middle part of cross check valve 13 support in the upper end mouth of pipe of the well through-hole of mount pad 312, drainage output tube 311 closes, and the drainage that can avoid reverse inflow gets into the filtration end of just straining composite filter's hasp formula mounting structure, and the end of filtering out of leading active carbon promptly keeps the water pressure stability of the end of filtering out of just straining composite filter's hasp formula mounting structure to can avoid the filtration end of leading active carbon of reverse inflow pollution.
When the output end of the lower filtering water output pipe 16 is closed, and the lock catch type installation structure of the primary filtering composite filter element is maintained or replaced, after the lock catch type installation structure of the primary filtering composite filter element is disassembled, the water pressure above the cross check valve 13 is greater than that below the cross check valve, the filtering water output pipe 311 is kept closed, the water purifying equipment end cannot leak water outwards, the spraying water leakage needs to be clean, the maintenance and the detection are more convenient, the sanitation is realized, and the working efficiency is higher.
The path diagram of the filtered water of the lock catch type mounting structure of the primary filter composite filter element is shown in fig. 3.
Preferably, the valve core upper cover assembly 31 is further provided with a water inlet guide ring 313 and a water inlet check valve 314;
the water inlet guide ring 313 is sleeved on the periphery of the filtered water output pipe 311;
the water inlet check valve 314 is arranged between the outer wall of the filtered water output pipe 311 and the inner wall of the water inlet diversion ring 313;
the upper end of the water inlet check valve 314 is communicated with the tap water inlet 11, and the lower end of the water inlet check valve 314 is communicated with the filter starting end of the outer side surface of the first filter element 33;
the valve cores of the water inlet check valve 314 and the cross-shaped check valve 13 are elastic silica gel bodies.
As shown in fig. 1 and 3, when the water pressure above the water inlet check valve 314 is higher than the water pressure below the water inlet check valve 314, the water inlet check valve 314 is in a conducting state; conversely, when the water pressure above the water inlet check valve 314 is lower than the water pressure below the water inlet check valve 314, the water inlet check valve 314 is in a closed state.
The valve core of the water inlet check valve 314 is elastic silica gel, and the water inlet check valve 314 between the outer wall of the water inlet guide ring 313 and the inner wall of the shell 2 is small in size and good in sealing performance.
Preferably, the outer side surface of the water inlet guide ring 313 abuts against the inner side surface of the housing 2.
As shown in fig. 3, it is possible to enhance the installation stability between the housing 2 and the valve core assembly 3, and to restrict the tap water entering the lock catch type installation structure of the primary filter composite filter element from reaching the primary filter end of the outer side surface of the first filter element 33 through the water inlet check valve 314.
In conclusion, as shown in fig. 1-as, the utility model discloses a just strain composite filter's hasp formula mounting structure, end cover subassembly 1's inside be equipped with the rotatory hasp structure that guide block 21 structure matches, the rotatory hasp structure through the adaptation can make the assembly of end cover subassembly 1 and shell 2 tighter, can avoid locating the input output mouth of pipe in end cover subassembly 1 and be located assembly dislocation appears in the installation of the input output mouth of pipe of the upper end of shell 2, thereby avoid just strain composite filter's hasp formula mounting structure's inside and appear leaking or the seepage phenomenon, can improve assembly efficiency and assembly quality to compact structure leakproofness is good.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (7)

1. A lock catch type mounting structure of a primary filter composite filter element is characterized by comprising an end cover assembly, a shell and a valve element assembly which are sequentially sleeved from outside to inside;
the shell is sleeved outside the valve core assembly from top to bottom;
the end cover assembly is sleeved at the top of the shell, and a guide groove and a fixing buckle are arranged in the end cover assembly;
the upper end of the shell is provided with a middle pipe extending upwards;
the middle pipe is arranged in a hollow mode, and guide blocks extending to the periphery are arranged on the outer wall of the middle pipe;
the upper end part of the shell rotatably extends into the end cover assembly from bottom to top, and a sealing ring sleeved on the outer wall of the middle pipe abuts against the inner side surface of the inner wall of the end cover assembly;
the guide groove rotatably extends to the inner upper side face of the side wall of the end cover assembly from bottom to top along the inner side face of the side wall, a plurality of fixing buckles arranged at intervals are arranged close to the inner side edge of the guide groove, and a gap is formed between each fixing buckle and the inner side edge of the guide groove;
the guide block, the fixing buckle and the guide groove are of rotary locking structures matched in structure.
2. The primary filter composite cartridge lock catch type mounting structure according to claim 1, wherein the cartridge assembly comprises a cartridge upper cover assembly;
the middle part of the upper cover component of the valve core is provided with an upper filtering water output pipe which protrudes upwards; the upper end pipe orifice of the valve core upper cover component is arranged in a hollow way, and the outer side of the edge of the upper end pipe orifice is propped against the inner side of the edge of the pipe orifice of the input end of the upper filtering water output pipe;
the lower end of the upper filtering water output pipe is communicated with the filtering end of the lock catch type mounting structure of the primary filtering composite filter element.
3. The lock catch type mounting structure of the primary filter composite filter element according to claim 2, wherein the valve core assembly further comprises a first filter element and a second filter element, and the first filter element is sleeved and coated outside the second filter element;
the upper end of the end cover component is adjacently provided with a tap water input port and a filtered water filter outlet;
the tap water input port is communicated with the filtration starting end of the first filter element; the filtering end of the first filter element is communicated with the filtering starting end of the second filter element;
the inside of the end cover component is also provided with a lower-arranged filtered water output pipe;
the filtered water outlet is positioned at the output end of the lower filtered water output pipe; the input end of the lower filtering water output pipe extends inwards to the middle part of the end cover component;
the filtering water outlet is communicated with the filtering end of the second filter element through the lower filtering water output pipe.
4. The lock catch type mounting structure of the primary filter composite filter element as recited in claim 3, wherein the end cap assembly further comprises a cross check valve;
the cross-shaped check valve is provided with a lower end straight rod and an upper end straight rod, and the middle part of the cross-shaped check valve extends outwards; the cross-shaped check valve is cross-shaped along the axial cross section of the filtered water output pipe; the straight rod at the upper end of the cross-shaped check valve is inserted into the input end of the lower filtered water output pipe; a gap is reserved between the outer side surface of the upper straight rod and the inner wall of the lower filtered water output pipe;
a mounting seat is arranged in the upper filtering water output pipe, and a middle through hole is formed in the middle of the mounting seat;
and a straight rod at the lower end of the cross-shaped check valve is inserted into the middle through hole.
5. The lock catch type mounting structure of the primary filter composite filter element as recited in claim 4, wherein a spring is sleeved on the outer wall of the middle through hole;
the lower end of the spring abuts against the upper side face of the mounting seat, which is positioned below the middle through hole, and the upper end of the spring abuts against the lower side face of the middle protruding part of the cross-shaped check valve;
work as the water pressure of the top of cross check valve is greater than the spring support in during the elasticity that makes progress of cross check valve, the cross check valve slides downwards, the downside at the evagination position at the middle part of cross check valve support in the upper end mouth of pipe of well through-hole closes overhead drainage water output tube.
6. The lock catch type installation structure of the primary filter composite filter element according to claim 4, wherein the upper cover assembly of the valve core is further provided with a water inlet guide ring and a water inlet check valve;
the water inlet guide ring is sleeved on the periphery of the filtered water output pipe;
the water inlet check valve is arranged between the outer wall of the filtered water output pipe and the inner wall of the water inlet guide ring;
the upper end of the water inlet check valve is communicated with the tap water inlet, and the lower end of the water inlet check valve is communicated with the filter starting end of the outer side surface of the first filter element;
and valve cores of the water inlet check valve and the cross-shaped check valve are elastic silica gel bodies.
7. The lock catch type installation structure of the primary filter composite filter element as claimed in claim 6, wherein the outer side surface of the water inlet flow guide ring is abutted against the inner side surface of the housing.
CN202121279862.4U 2021-06-08 2021-06-08 Lock catch type mounting structure of primary filter composite filter element Active CN214809050U (en)

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Application Number Priority Date Filing Date Title
CN202121279862.4U CN214809050U (en) 2021-06-08 2021-06-08 Lock catch type mounting structure of primary filter composite filter element

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114405136A (en) * 2022-01-07 2022-04-29 佛山市美的清湖净水设备有限公司 Filter element assembly and water purifying device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114405136A (en) * 2022-01-07 2022-04-29 佛山市美的清湖净水设备有限公司 Filter element assembly and water purifying device
CN114405136B (en) * 2022-01-07 2023-09-22 佛山市美的清湖净水设备有限公司 Filter element assembly and water purifying device

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